Method, device, and non-transitory computer readable storage medium for object tracking

Abstract

An object tracking method includes measuring ambient light by a camera to determine an ambient exposure value on the condition that an illuminating object being off, controlling the illuminating object to be on and configuring a luminance value of the illuminating object according to the ambient exposure value, and tracking the illuminating object based on at least one image captured from the camera by the ambient exposure value.

What is claimed is: 
     
       1. An object tracking method comprising:
 measuring ambient light by a camera to determine an ambient exposure value on the condition that an illuminating object being off; 
 controlling the illuminating object to be on and configuring a luminance value of the illuminating object according to the ambient exposure value; 
 tracking the illuminating object based on at least one image captured from the camera by the ambient exposure value; and 
 updating the luminance value of the illuminating object on the condition that the ambient exposure value is changed. 
 
     
     
       2. The object tracking method of  claim 1 , wherein the step of configuring the luminance value of the illuminating object comprises:
 configuring the luminance value of the illuminating object to be the ambient exposure value with an incremental compensation. 
 
     
     
       3. The object tracking method of  claim 2 , wherein the step of configuring the luminance value of the illuminating object further comprises:
 calculating a predetermined step increment to the ambient exposure value; and 
 configuring the luminance value of the illuminating object based on the predetermined step increment. 
 
     
     
       4. The object tracking method of  claim 1 , further comprising:
 determining an illuminating object region and an ambient region on the condition that the illuminating object is tracked; and 
 performing auto exposure calculation in the ambient region with the illuminating object region cropped out. 
 
     
     
       5. The object tracking method of  claim 4 , further comprising:
 updating the illuminating object region and the ambient region according to the location of the illuminating object. 
 
     
     
       6. The object tracking method of  claim 1 , wherein the step of updating the luminance value of the illuminating object comprises:
 increasing the luminance value of the illuminating object on the condition that the ambient exposure value is increased according to the ambient light; and 
 lowering the luminance value of the illuminating object on the condition that the ambient exposure value is lowered according to the ambient light. 
 
     
     
       7. An object tracking device comprising:
 one or more processing components; 
 a camera electrically connected to the one or more processing components; 
 a memory electrically connected to the one or more processing components; and 
 one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processing components, the one or more programs comprising instructions for: 
 controlling the camera to measure ambient light to determine an ambient exposure value on the condition that an illuminating object being off; 
 controlling the illuminating object to be on and configuring a luminance value of the illuminating object according to the ambient exposure value; 
 tracking the illuminating object based on at least one image captured from the camera by the ambient exposure value; and 
 updating the luminance value of the illuminating object on the condition that the ambient exposure value is changed. 
 
     
     
       8. The object tracking device as claimed in  claim 7 , wherein the one or more programs further comprises instructions for:
 configuring the luminance value of the illuminating object to be the ambient exposure value with an incremental compensation. 
 
     
     
       9. The object tracking device as claimed in  claim 8 , wherein the one or more programs further comprises instructions for:
 calculating a predetermined step increment to the ambient exposure value; and 
 configuring the luminance value of the illuminating object based on the predetermined step increment. 
 
     
     
       10. The object tracking device as claimed in  claim 7 , wherein the one or more programs further comprises instructions for:
 determining an illuminating object region and an ambient region on the condition that the illuminating object is tracked; and 
 performing auto exposure calculation in the ambient region with the illuminating object region cropped out. 
 
     
     
       11. The object tracking device as claimed in  claim 10 , wherein the one or more programs further comprises instructions for:
 updating the illuminating object region and the ambient region according to the location of the illuminating object. 
 
     
     
       12. The object tracking device as claimed in  claim 7 , wherein the one or more programs further comprises instructions for:
 increasing the luminance value of the illuminating object on the condition that the ambient exposure value is increased according to the ambient light; and 
 lowering the luminance value of the illuminating object on the condition that the ambient exposure value is lowered according to the ambient light. 
 
     
     
       13. A non-transitory computer readable storage medium storing one or more programs comprising instructions, which when executed, causes one or more processing components to perform operations comprising:
 controlling a camera to measure ambient light to determine an ambient exposure value on the condition that an illuminating object being off; 
 controlling the illuminating object to be on and configuring a luminance value of the illuminating object according to the ambient exposure value; 
 tracking the illuminating object based on at least one image captured from the camera by the ambient exposure value; and 
 updating the luminance value of the illuminating object on the condition that the ambient exposure value is changed. 
 
     
     
       14. The non-transitory computer readable storage medium as claimed in  claim 13  comprising instructions, which when executed, causes one or more processing components to further perform operations comprising:
 configuring the luminance value of the illuminating object to be the ambient exposure value with an incremental compensation. 
 
     
     
       15. The non-transitory computer readable storage medium as claimed in  claim 14  comprising instructions, which when executed, causes one or more processing components to further perform operations comprising:
 calculating a predetermined step increment to the ambient exposure value; and 
 configuring the luminance value of the illuminating object based on the predetermined step increment. 
 
     
     
       16. The non-transitory computer readable storage medium as claimed in  claim 13  comprising instructions, which when executed, causes one or more processing components to further perform operations comprising:
 determining an illuminating object region and an ambient region on the condition that the illuminating object is tracked; and 
 performing auto exposure calculation in the ambient region with the illuminating object region cropped out. 
 
     
     
       17. The non-transitory computer readable storage medium as claimed in  claim 16  comprising instructions, which when executed, causes one or more processing components to further perform operations comprising:
 updating the illuminating object region and the ambient region according to the location of the illuminating object.